ekeen
par(mfrow = c(2,2)) par(mfcol = c(2,2))
layout (matrix ( c ( 1 , 1 , 1 ,
2 , 3 , 4 ,
3 2 , 3 , 4 ) , nr = 3 , byrow = T) )
h i s t ( rnorm( 2 5 ) , c o l = "VioletRed")
5 h i s t ( rnorm( 2 5 ) , c o l = "VioletRed")
h i s t ( rnorm( 2 5 ) , c o l = "VioletRed")
7 h i s t ( rnorm( 2 5 ) , c o l = "VioletRed")
